161226342 has 16 divisors (see below), whose sum is σ = 358280880. Its totient is φ = 53742096.

The previous prime is 161226337. The next prime is 161226361. The reversal of 161226342 is 243622161.

161226342 is a `hidden beast` number, since 1 + 6 + 1 + 22 + 634 + 2 = 666.

161226342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492783 + ... + 1492890.

It is an arithmetic number, because the mean of its divisors is an integer number (22392555).

Almost surely, 2^161226342 is an apocalyptic number.

161226342 is an abundant number, since it is smaller than the sum of its proper divisors (197054538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161226342 is a wasteful number, since it uses less digits than its factorization.

161226342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985684 (or 2985678 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 161226342 is about 12697.4935321897. The cubic root of 161226342 is about 544.2669965132.

The spelling of 161226342 in words is "one hundred sixty-one million, two hundred twenty-six thousand, three hundred forty-two".